It has been a winter for many to remember (or forget). There are lots of reasons why. The sun is just coming out of a very long slumber for one. Lets look at some of the other factors likely at play.
In April 2009, we talked about Mt Redoubt’s eruption (and later Russia’s Sarychev) and the effect it might have on high latitude blocking and cooling summer and winter. Starting on March 22, a series of major eruptions have taken place from Mt. Redoubt in Alaska. The biggest exceeded 65,000 feet in height. More than a dozen eruptions as high as 60,000 have followed.